LanceSoft Software Engineer Interview Questions and Answers

My name is John Smith.

• Full name is John Smith

• Common first and last name

• No middle name

I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.

• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience in developing web applications

Git module is a software tool that allows for version control and collaboration on code projects.

• Git module is a version control system used for tracking changes in code files.

• It allows multiple developers to work on the same project simultaneously.

• Git module helps in managing different versions of code and merging changes from different branches.

• Common git commands include git clone, git add, git commit, git push, and...read more

Binary search is a divide and conquer algorithm that efficiently finds the target value within a sorted array.

• Start by defining the low and high indices of the array.

• Calculate the middle index and compare the target value with the middle element.

• If the target value is less than the middle element, search the left subarray. If greater, search the right subarray.

• Repeat the process until the target value is found or the s

CI/CD flow stands for Continuous Integration/Continuous Deployment flow, which is a software development practice where code changes are automatically built, tested, and deployed.

• CI/CD flow involves automating the process of integrating code changes into a shared repository, running automated tests, and deploying the changes to production.

• Continuous Integration (CI) focuses on automating the build and testing of code c...read more

Enums are a feature in programming languages that allow you to define a set of named constants.

• Enums can be used to improve code readability by giving meaningful names to values

• Enums can be used in switch statements to handle different cases

• Enums can have associated values or raw values for more flexibility

Yes, Singleton handles synchronization by ensuring only one instance of a class is created and providing global access to that instance.

• Singleton pattern restricts the instantiation of a class to one object.

• It provides a global point of access to the instance.

• Synchronization can be implemented in the Singleton pattern to ensure thread safety.

• Example: Singleton pattern is commonly used in database connections to ensure

External libraries are pre-written code that can be imported and used in a project to provide additional functionality.

• External libraries help in reducing development time by providing ready-made solutions for common tasks.

• Examples include React for front-end development, NumPy for scientific computing in Python, and Retrofit for making network calls in Android apps.